South Majiashan section, Chaohu (Triassic of China)

Where: Anhui, China (31.6° N, 117.8° E: paleocoordinates 20.1° N, 99.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Helongshan Formation, Smithian (251.3 - 247.2 Ma)

• Upper part of the Helongshan Formation; late Smithian beds with Anisibirites and Neospathodus waageni

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (); lithified, concretionary, black marl

• Black marl concretions intercalated with dark gray, thin-bedded micrite limestone and nodular limestone.

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Museum at the China University of Geosciences (CUGM) in Wuhan

Primary reference: J. Tong, X. Zhou, D. Erwin, J. Zou, and L. Zhao. 2006. Fossil Fishes from the Lower Triassic of Majiashan, Chaohu, Anhui Province, China. Journal of Paleontology 80(1):146-161 [M. Clapham/C. Feng/C. Feng]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117945: authorized by Matthew Clapham, entered by Christina Feng on 29.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Osteichthyes
 Parasemionotiformes - Parasemionotidae
Jurongia fusiformis, Qingshania cercida, Suius cf. brevis
Jurongia fusiformis Liu 2002 ray-finned fish
CUGM J2208, 2209
Qingshania cercida Liu 2002 ray-finned fish
CUGM J2205, 2206, 2207
Suius cf. brevis Liu 2002 ray-finned fish
CUGM J2210
Actinopteri
 Perleidiformes - Perleididae
Plesioperleidus dayeensis, Plesioperleidus jiangsuensis, Plesioperleidus yangtzensis
Plesioperleidus dayeensis Su and Li 1983
CUGM J2204
Plesioperleidus jiangsuensis Qian 1997
CUGM J2201, J2202
Plesioperleidus yangtzensis Su 1981
CUGM J2203